<template>
    <div class="song-list">
        <!-- 导航栏 -->
        <van-nav-bar title="歌单详情" left-text="返回" left-arrow @click-left="onClickLeft" />
        <!-- 歌单首部 -->
        <div class="header">
            <img :src="song.logo" alt="">
            <h4>{{song.dissname}}</h4>
            <div class="nick">
                <img :src="song.headurl" alt="">
                <span>{{song.nickname}}</span>
            </div>
            <span>播放量:{{song.visitnum|numFilter(1)}}万</span>
        </div>
        <!-- 歌单列表 -->
        <div class="list">
            <van-list v-model="loading" :finished="finished" finished-text="没有更多了" @load="onLoad">
                <div v-for="(item,index) in list" :key="index">
                    <h4>{{item.songname}}</h4>
                    <div class="singer">
                        <span v-for="(singerItem,index) in item.singer" :key="index">
                            {{singerItem.name}}
                            <span v-show="index!=item.singer.length-1">/</span>
                        </span>
                        <span v-show="item.albumname">
                            <span>·</span>
                            <span>{{item.albumname}}</span>
                        </span>
                    </div>
                </div>
            </van-list>
        </div>
    </div>
</template>
<script>
export default {
    data() {
        return {
            song: {
                dissname: "",
                logo: "",
                headurl: "",
                nickname: "",
                visitnum: 0,
            },
            songlist: [],
            songnum: 0,
            list: [],
            loading: false,
            finished: false,
        };
    },
    created() {
        this.getListData()
    },
    methods: {
        getListData() {
            this.$request('get', '/songlist?id=' + this.$route.params.id)
                .then((res) => {
                    console.log(res);
                    this.song.dissname = res.data.dissname
                    this.song.logo = res.data.logo
                    this.song.headurl = res.data.headurl
                    this.song.nickname = res.data.nickname
                    this.song.visitnum = res.data.visitnum
                    this.songlist = res.data.songlist
                    this.songnum = res.data.songnum
                });
        },
        onClickLeft() {
            window.history.length > 1 ? this.$router.go(-1) : this.$router.push('/')
        },
        onLoad() {
            setTimeout(() => {
                this.list = this.list.concat(this.songlist.splice(0, 10))
                this.loading = false;
                if (this.list.length >= this.songnum) {
                    this.finished = true;
                }
            }, 1000);
        }
    },
}
</script>

<style scoped>
.header>img {
    width: 50%;
    border-radius: 1rem;
}

.nick {
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.nick>img {
    width: 2rem;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.nick>span {
    height: 2rem;
    font-size: 0.8rem;
    line-height: 2rem;
}

.header>span {
    font-size: 0.9rem;
}

.list {
    margin: 0 1rem;
}

.list h4 {
    text-align: left;
    font-size: 1rem;
}

.singer {
    text-align: left;
}

.singer span {
    font-size: 0.8rem;
    color: rgb(160, 160, 190);
}

.singer>span:nth-last-child(1)>span:nth-child(1) {
    margin: 0 0.5rem;
    font-weight: 900;
    color: red;
}
</style>